Guest Stars Jodi Balfour as Sarah Fullwood Ciarán McMenamin as Declan McDermott Nicholas Burns as Captain Coutts Ben Crompton as Harry Townes Nikolai Kinski as Walter Drexler Paul Hilton as Henry Bates Hermanus Pieters as Dengler Oskar Brown as Waldemar Josef Du Plessis as Anthony Bates Rebekah Nathan as Charlotte Bates Lenny Wood as Billy Hardacre Simon Verhoeven as Harro Schacht Matthias Koeberlin as Rostau Jörg Malchow as Weber Frederick Lau as Fiedler Jacob Matschenz as Mannesmann Stefan Rudolf as Remmert Ludovico Fremont as Di Giovanni Matthew Aubrey as William Williams Louise Barnes as Mary Bates Morven Christie as Laura Ferguson Richard Wright-Firth as Quartermaster Tom Fairfoot as Wireless Operator Paul Savage as Customs Officer David Butler as George Steel Lawrence Joffe as Rudzinski